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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：Q9FDS0 New Search
3PDB entries
6Biological assembly
10chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
4HWX Crystal structure of Streptomyces caespitosus sermetstatin Deposited 2012-11-09 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–141（113 aa）
Not recorded GOL GLYCEROL × 2 ACT ACETATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；293 K；0.1 M sodium citrate dihydrate, 0.2 M ammonium acetate, 10% (w/v) PEG3350, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 1.90 Å R-free 0.214
4HWX Crystal structure of Streptomyces caespitosus sermetstatin Deposited 2012-11-09 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 29–141（113 aa）
Not recorded GOL GLYCEROL × 2 ACT ACETATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；293 K；0.1 M sodium citrate dihydrate, 0.2 M ammonium acetate, 10% (w/v) PEG3350, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 1.90 Å R-free 0.214
4HX2 Crystal structure of Streptomyces caespitosus sermetstatin in complex with Bacillus licheniformis subtilisin Deposited 2012-11-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 29–141（113 aa）
Chain D 29–141（113 aa）
Not recorded CA CALCIUM ION × 4 ZN ZINC ION × 2 CL CHLORIDE ION × 1 1AX (2R,2'R)-3,3'-oxydipropane-1,2-diol × 1 PO4 PHOSPHATE ION × 1 GOL GLYCEROL × 2 IPA ISOPROPYL ALCOHOL × 3 K POTASSIUM ION × 2 CAC CACODYLATE ION × 1 ACT ACETATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；0.1 M cacodylate, 0.2 M zinc acetate dihydrate, 10% (v/v) 2-propanol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.25 Å R-free 0.217
4HX3 Crystal structure of Streptomyces caespitosus sermetstatin in complex with S. caespitosus snapalysin Deposited 2012-11-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 29–141（113 aa）
Chain D 29–141（113 aa）
Not recorded ZN ZINC ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M HEPES, 0.2 M magnesium chloride, 15.0% (v/v) ethanol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.70 Å R-free 0.242
4HX3 Crystal structure of Streptomyces caespitosus sermetstatin in complex with S. caespitosus snapalysin Deposited 2012-11-09 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain F 29–141（113 aa）
Chain H 29–141（113 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M HEPES, 0.2 M magnesium chloride, 15.0% (v/v) ethanol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.70 Å R-free 0.242
4HX3 Crystal structure of Streptomyces caespitosus sermetstatin in complex with S. caespitosus snapalysin Deposited 2012-11-09 Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain J 29–141（113 aa）
Chain L 29–141（113 aa）
Not recorded ZN ZINC ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M HEPES, 0.2 M magnesium chloride, 15.0% (v/v) ethanol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.70 Å R-free 0.242

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.